FDN系列外加剂在各种泵送混凝土（C2～C60）工程上的应用

APPLICATION OF FDN CONCRETE ADMIXTURE SERIES FOR C20～C60 PUMPING CONCRETE PROJECTS

本文介绍了ＦＤＮ系列外加剂在全国几个重点大型工程中泵送混凝土的应用情况。从近几年应用结果表明，使用该剂后的技术经济效益显著．

This paper comprehensively presents the application of FDN conaete admixture series in seversl national major consndion projects of pumping concrete recent yeras. The application of the series adinture shows that it has a nigh rehnic and econmnic benifit.